Lucy Turnbull AO is an urbanist, businesswoman and philanthropist with a longstanding interest in cities, culture, technological and social innovation and Australian research and commercialisation.  Lucy is a Director of Turnbull and Partners Pty Ltd, a family owned business which invests in earlier stage innovative enterprises. In January 2020 she was appointed by the NSW government as Chair of the Sydney Opera House Trust. 

From 2015-20 she was the inaugural Chief Commissioner of the Greater Sydney Commission, tasked by the NSW state government to assist in delivering strong and effective strategic planning for the whole of metropolitan Sydney. From 2003-4 she was Lord Mayor of the City of Sydney, the first woman ever to hold the position. She has held many other board roles in the not for profit and private sector.